Full reference: D. K. Elliot and E. J. Loeffler. 1989. A new agnathan from the lower Devonian of Arctic Canada, and a review of the tessellated heterostracans. Palaeontology 32(4):883-891
Parent taxon: Heterostraci according to D. K. Elliot and E. J. Loeffler 1989
Sister taxa: Amphiaspidiformes, Ariaspididae, Aserotaspis, Cardipeltida, Cardipeltidae, Cardipeltiformes, Ceraspidae, Corvaspidida, Corvaspidiformes, Cyathaspida, Cyathaspidiformes, Drepanaspidae, Guerichosteidae, Lepidaspidida, Lepidaspidiformes, Munchoaspis, Olbiaspidida, Palaeaspidi, Psammolepis, Psammosteiformes, Pteraspidi, Pteraspidiformes, Rimasventeraspis, Strosipherus, Tesseraspidida, Tesseraspidiformes, Tolypelepidida, Tolypelepidiformes, Toombsaspis, Traquairaspidida, Traquairaspidiformes, Clydonaspis, Homaspidella, Seretaspis, Karelosteus, Pilolepsis, Archodus, Poriferaspis, Grumantaspis, Obliaspis, Schizosteus, Listraspis, Irregulariaspis, Dyreaspis, Corveolepis, Pycnaspis, Yoglinia, Ennosviaspis, Allocryptaspis, Anatolepsis, Steinaspis, Strophisterus, Gunaspis, Kiangsuaspis
Subtaxa: Aporemaspis pholidata
Type: Aporemaspis pholidata
Ecology: planktonic suspension feeder
Distribution: found only at Read Bay, Cornwallis Island [Snowblind Bay Fm] (Devonian of Nunavut)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.